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122550244769 is a prime number
BaseRepresentation
bin111001000100010010…
…0000101010110100001
3102201022201220110122102
41302020210011112201
54001440330313034
6132144313020145
711565623615231
oct1621044052641
9381281813572
10122550244769
1147a78466827
121b9019b4655
13b730659444
145d07d15cc1
1532c3d0897e
hex1c889055a1

122550244769 has 2 divisors, whose sum is σ = 122550244770. Its totient is φ = 122550244768.

The previous prime is 122550244723. The next prime is 122550244807. The reversal of 122550244769 is 967442055221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114742755169 + 7807489600 = 338737^2 + 88360^2 .

It is a cyclic number.

It is not a de Polignac number, because 122550244769 - 232 = 118255277473 is a prime.

It is a super-2 number, since 2×1225502447692 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122550249769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61275122384 + 61275122385.

It is an arithmetic number, because the mean of its divisors is an integer number (61275122385).

Almost surely, 2122550244769 is an apocalyptic number.

It is an amenable number.

122550244769 is a deficient number, since it is larger than the sum of its proper divisors (1).

122550244769 is an equidigital number, since it uses as much as digits as its factorization.

122550244769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 122550244769 in words is "one hundred twenty-two billion, five hundred fifty million, two hundred forty-four thousand, seven hundred sixty-nine".